CryptHashDataLibrary: Advapi32Min. Required OS: Windows NT 4.0 or later; Windows 95 OSR2 or later (or Windows 95 with Internet Explorer 3.02 or later)Group: CryptoDescription: The CryptHashData function is used to compute the cryptographic hash on a stream of data. This function and CryptHashSessionKey can be called multiple times to compute the hash on long streams or on discontinuous streams.Example(s): CryptoRelated function(s):CryptCreateHashCryptSignHash